added custom variables for sensu_check
type check for cutom check variables

  * deletet non default params
Prevent re-running sensu::check every puppet run
Similar to j-russell's commit, updated occurrences, low_flap_threshold,
high_flap_threshold attributes, setting them to_s to prevent refreshes on
every run
Merge pull request #84 from aquto/master

Prevent re-running sensu::check every puppet run
added custom variables for sensu_check
type check for cutom check variables

  * deletet non default params
Merge branch 'm' of github.com:bogue1979/sensu-puppet into check_arg
Merge pull request #85 from bogue1979/check_arg

Check arg